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check all sections if they need a rewrite #516

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check all sections if they need a rewrite #516

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10 changes: 4 additions & 6 deletions src/patchelf.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -824,13 +824,11 @@ void ElfFile<ElfFileParamNames>::rewriteSectionsLibrary()
to overlap the program header table in memory; we need to shift the first
few segments to someplace else. */
/* Some sections may already be replaced so account for that */
unsigned int i = 1;
Elf_Addr pht_size = sizeof(Elf_Ehdr) + (phdrs.size() + num_notes + 1)*sizeof(Elf_Phdr);
while( i < rdi(hdr()->e_shnum) && rdi(shdrs.at(i).sh_offset) <= pht_size ) {
if (not haveReplacedSection(getSectionName(shdrs.at(i))))
replaceSection(getSectionName(shdrs.at(i)), rdi(shdrs.at(i).sh_size));
i++;
}
for (unsigned int i = 1; i < rdi(hdr()->e_shnum); ++i)
if (rdi(shdrs.at(i).sh_offset) <= pht_size)
if (not haveReplacedSection(getSectionName(shdrs.at(i))))
replaceSection(getSectionName(shdrs.at(i)), rdi(shdrs.at(i).sh_size));
bool moveHeaderTableToTheEnd = rdi(hdr()->e_shoff) < pht_size;

/* Compute the total space needed for the replaced sections */
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